How to fix Office 365 shows as Office 2019 Professional Plus
How to fix Microsoft Office installation that shows the wrong version
Office 365 installation shows wrong version
- Open "CMD" Command Prompt as administrator

- Navigate to installation location
ifexist"C:\Program Files\Microsoft Office\Office16\ospp.vbs"cd/d"C:\Program Files\Microsoft Office\Office16" ifexist"C:\Program Files (x86)\Microsoft Office\Office16\ ospp.vbs"cd/d"C:\Program Files (x86)\Microsoft Office\Office16"
- Check Microsoft Office license status
cscript ospp.vbs/dstatus
- Remove the Office license

cscript ospp.vbs/unpkey:xxxx